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IA 46 Ranquel/Super Ranquel and IA 51 Tehuelche
I.A.46 Super Ranquel LV-IIM-1-.jpg
I.A. 46 Super Ranquel at Buenos Aires - San Justo airfield in April 1975.
Role Utility and agricultural aircraft
Manufacturer DINFIA
First flight 23 December 1957[1]
Introduction 1958
Status examples still in service
Primary user aero clubs
Number built 132 (IA-46)
1 (IA-51)

The DINFIA IA 46 Ranquel, IA 46 Super Ranquel, and IA 51 Tehuelche were Argentine utility aircraft developed in the late 1950s.

Development and construction[edit]

The intention was to create a light aircraft suitable for aeroclub and agricultural use, and the resulting design was a conventional high-wing strut-braced monoplane with fixed tailwheel undercarriage. The aircraft were named for the Ranquel and Tehuelche peoples, different groups indigenous to Patagonia.

The state-owned Dinfia organisation commenced production of the Ranquel at Cordoba in 1958. Construction was of a fabric-covered tubular structure, although the Tehuelche featured metal-covered wings. Accommodation was provided for a single pilot and a passenger in tandem configuration. In all, some 132 aircraft were built, some of which served as glider tugs for the Fuerza Aerea Argentina.

Operational history[edit]

Examples of the IA.46 have served aero clubs from 1958 to date, with several remaining in operation in the late 2000s.


IA 46 Ranquel
Initial production version with Lycoming O-320-A2B engine, one prototype and 115 production aircraft built.
IA 46 Super Ranquel
Version of IA 46 with Lycoming O-360-A1A engine, 16-built.
IA 51 Tehuelche
Version with metal-covered wings, larger flaps, and fuel capacity increased to 500 L (130 US gal). One built, first flown on 16 March 1963.



Specifications (IA 46 Ranquel)[edit]

Data from Jane's All The World's Aircraft 1965–66[1]

General characteristics

  • Crew: one pilot
  • Capacity: two passengers or 400 L (100 US Gal) of agricultural chemicals
  • Length: 7.45 m (24 ft 5 in)
  • Wingspan: 11.60 m (38 ft 0 in)
  • Height: 2.15 m (7 ft 0 in)
  • Wing area: 18.0 m2 (194 ft2)
  • Empty weight: 690 kg (1,520 lb)
  • Gross weight: 1,160 kg (2,550 lb)
  • Powerplant: 1 × Lycoming O-320-A2B engine, 112 kW (150 hp) each


  • Maximum speed: 180 km/h (112 mph)
  • Cruising speed: 162 km/h (101 mph)
  • Range: 650 km (405 miles)
  • Endurance: 4 hours
  • Service ceiling: 4,000 m (13,100 ft)
  • Rate of climb: 2.4 m/s (472 ft/min)


  1. ^ a b Taylor 1965, p. 4.
  • Taylor, John W. R. (1965). Jane's All The World's Aircraft 1965–66. London: Sampson Low, Marston & Company. 
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 326. 
  • Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing. p. 413. 

External links[edit]

Media related to DINFIA IA 46 at Wikimedia Commons